print('введите скобки')
d=input()
a='(){}<>[]'
s=''
for el in d:
    if el in a:
        s+=el 
while '()' in s or '{}' in s or'<>' in s or '[]' in s:
    s=s.replace('()','')
   
    s=s.replace('{}','')
    s=s.replace('<>','')
    s=s.replace('[]','')
if s=='':
    print('True')
else:
    print('False')
    